Mason County, IL: Current UV Index and Hourly Forecast

As of 12:25 AM CDT on April 22, 2025, all 10 cities in Mason County, IL in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Mason County, IL is expected to be 7.4 in Mason City between 1:00 PM - 2:00 PM CDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Mason County, IL as of 12:25 AM CDT, April 22, 2025

Current UV Index in Cities in Mason County, IL

12:25 AM CDT, April 22, 2025